Home / 7,488.99-10,335.60-4,658.18

Finding the Fourth Proportional to 7,488.99, 10,335.60 and 4,658.18

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Solution

The fourth proportional to 7,488.99, 10,335.60 and 4,658.18 is: 6,428.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,488.99 : 10,335.60 = 4,658.18 : x
  2. Step 2: Convert to fraction form
    7,488.99/10,335.60 = 4,658.18/x
  3. Step 3: Cross multiply
    7,488.99x = 10,335.60 × 4,658.18
  4. Step 4: Simplify right side
    7,488.99x = 48,145,033.53
  5. Step 5: Solve for x
    x = 48,145,033.53/7,488.99
  6. Step 6: Final answer
    x = 6,428.78

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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.