Home / 8,889.40-13,334.10-2,316.25

Finding the Fourth Proportional to 8,889.40, 13,334.10 and 2,316.25

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Solution

The fourth proportional to 8,889.40, 13,334.10 and 2,316.25 is: 3,474.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,889.40 : 13,334.10 = 2,316.25 : x
  2. Step 2: Convert to fraction form
    8,889.40/13,334.10 = 2,316.25/x
  3. Step 3: Cross multiply
    8,889.40x = 13,334.10 × 2,316.25
  4. Step 4: Simplify right side
    8,889.40x = 30,885,075.79
  5. Step 5: Solve for x
    x = 30,885,075.79/8,889.40
  6. Step 6: Final answer
    x = 3,474.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.