Home / 7,490.10-11,220.30-6,566.70

Finding the Fourth Proportional to 7,490.10, 11,220.30 and 6,566.70

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Solution

The fourth proportional to 7,490.10, 11,220.30 and 6,566.70 is: 9,837.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,490.10 : 11,220.30 = 6,566.70 : x
  2. Step 2: Convert to fraction form
    7,490.10/11,220.30 = 6,566.70/x
  3. Step 3: Cross multiply
    7,490.10x = 11,220.30 × 6,566.70
  4. Step 4: Simplify right side
    7,490.10x = 73,680,344.01
  5. Step 5: Solve for x
    x = 73,680,344.01/7,490.10
  6. Step 6: Final answer
    x = 9,837.03

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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.