Home / 7,464.34-10,282.88-6,398.74

Finding the Fourth Proportional to 7,464.34, 10,282.88 and 6,398.74

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Solution

The fourth proportional to 7,464.34, 10,282.88 and 6,398.74 is: 8,814.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,464.34 : 10,282.88 = 6,398.74 : x
  2. Step 2: Convert to fraction form
    7,464.34/10,282.88 = 6,398.74/x
  3. Step 3: Cross multiply
    7,464.34x = 10,282.88 × 6,398.74
  4. Step 4: Simplify right side
    7,464.34x = 65,797,475.57
  5. Step 5: Solve for x
    x = 65,797,475.57/7,464.34
  6. Step 6: Final answer
    x = 8,814.91

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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.