Home / 8,135.98-11,225.84-5,303.10

Finding the Fourth Proportional to 8,135.98, 11,225.84 and 5,303.10

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Solution

The fourth proportional to 8,135.98, 11,225.84 and 5,303.10 is: 7,317.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,135.98 : 11,225.84 = 5,303.10 : x
  2. Step 2: Convert to fraction form
    8,135.98/11,225.84 = 5,303.10/x
  3. Step 3: Cross multiply
    8,135.98x = 11,225.84 × 5,303.10
  4. Step 4: Simplify right side
    8,135.98x = 59,531,752.10
  5. Step 5: Solve for x
    x = 59,531,752.10/8,135.98
  6. Step 6: Final answer
    x = 7,317.10

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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.