Home / 8,275.31-11,419.85-6,160.30

Finding the Fourth Proportional to 8,275.31, 11,419.85 and 6,160.30

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Solution

The fourth proportional to 8,275.31, 11,419.85 and 6,160.30 is: 8,501.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,275.31 : 11,419.85 = 6,160.30 : x
  2. Step 2: Convert to fraction form
    8,275.31/11,419.85 = 6,160.30/x
  3. Step 3: Cross multiply
    8,275.31x = 11,419.85 × 6,160.30
  4. Step 4: Simplify right side
    8,275.31x = 70,349,642.60
  5. Step 5: Solve for x
    x = 70,349,642.60/8,275.31
  6. Step 6: Final answer
    x = 8,501.15

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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.