Home / 8,271.19-11,416.03-5,087.18

Finding the Fourth Proportional to 8,271.19, 11,416.03 and 5,087.18

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Solution

The fourth proportional to 8,271.19, 11,416.03 and 5,087.18 is: 7,021.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,271.19 : 11,416.03 = 5,087.18 : x
  2. Step 2: Convert to fraction form
    8,271.19/11,416.03 = 5,087.18/x
  3. Step 3: Cross multiply
    8,271.19x = 11,416.03 × 5,087.18
  4. Step 4: Simplify right side
    8,271.19x = 58,075,399.50
  5. Step 5: Solve for x
    x = 58,075,399.50/8,271.19
  6. Step 6: Final answer
    x = 7,021.41

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Half scale
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Double scale
Find fourth proportional to 8,272.19, 11,417.41 and 5,088.18
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.