Home / 7,423.65-10,247.31-5,064.12

Finding the Fourth Proportional to 7,423.65, 10,247.31 and 5,064.12

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Solution

The fourth proportional to 7,423.65, 10,247.31 and 5,064.12 is: 6,990.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,423.65 : 10,247.31 = 5,064.12 : x
  2. Step 2: Convert to fraction form
    7,423.65/10,247.31 = 5,064.12/x
  3. Step 3: Cross multiply
    7,423.65x = 10,247.31 × 5,064.12
  4. Step 4: Simplify right side
    7,423.65x = 51,893,607.52
  5. Step 5: Solve for x
    x = 51,893,607.52/7,423.65
  6. Step 6: Final answer
    x = 6,990.31

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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.