Home / 7,386.60-11,079.90-6,531.24

Finding the Fourth Proportional to 7,386.60, 11,079.90 and 6,531.24

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Solution

The fourth proportional to 7,386.60, 11,079.90 and 6,531.24 is: 9,796.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,386.60 : 11,079.90 = 6,531.24 : x
  2. Step 2: Convert to fraction form
    7,386.60/11,079.90 = 6,531.24/x
  3. Step 3: Cross multiply
    7,386.60x = 11,079.90 × 6,531.24
  4. Step 4: Simplify right side
    7,386.60x = 72,365,486.08
  5. Step 5: Solve for x
    x = 72,365,486.08/7,386.60
  6. Step 6: Final answer
    x = 9,796.86

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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.