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Finding the Fourth Proportional to 6,526.40, 8,999.81 and 5,585.31

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Solution

The fourth proportional to 6,526.40, 8,999.81 and 5,585.31 is: 7,702.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,526.40 : 8,999.81 = 5,585.31 : x
  2. Step 2: Convert to fraction form
    6,526.40/8,999.81 = 5,585.31/x
  3. Step 3: Cross multiply
    6,526.40x = 8,999.81 × 5,585.31
  4. Step 4: Simplify right side
    6,526.40x = 50,266,700.86
  5. Step 5: Solve for x
    x = 50,266,700.86/6,526.40
  6. Step 6: Final answer
    x = 7,702.06

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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.