Home / 8,538.04-11,782.15-4,761.35

Finding the Fourth Proportional to 8,538.04, 11,782.15 and 4,761.35

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Solution

The fourth proportional to 8,538.04, 11,782.15 and 4,761.35 is: 6,570.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,538.04 : 11,782.15 = 4,761.35 : x
  2. Step 2: Convert to fraction form
    8,538.04/11,782.15 = 4,761.35/x
  3. Step 3: Cross multiply
    8,538.04x = 11,782.15 × 4,761.35
  4. Step 4: Simplify right side
    8,538.04x = 56,098,939.90
  5. Step 5: Solve for x
    x = 56,098,939.90/8,538.04
  6. Step 6: Final answer
    x = 6,570.47

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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.