Home / 5,658.39-8,487.18-1,762.70

Finding the Fourth Proportional to 5,658.39, 8,487.18 and 1,762.70

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Solution

The fourth proportional to 5,658.39, 8,487.18 and 1,762.70 is: 2,643.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,658.39 : 8,487.18 = 1,762.70 : x
  2. Step 2: Convert to fraction form
    5,658.39/8,487.18 = 1,762.70/x
  3. Step 3: Cross multiply
    5,658.39x = 8,487.18 × 1,762.70
  4. Step 4: Simplify right side
    5,658.39x = 14,960,309.75
  5. Step 5: Solve for x
    x = 14,960,309.75/5,658.39
  6. Step 6: Final answer
    x = 2,643.92

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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.