Home / 5,630.18-8,446.28-1,931.45

Finding the Fourth Proportional to 5,630.18, 8,446.28 and 1,931.45

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Solution

The fourth proportional to 5,630.18, 8,446.28 and 1,931.45 is: 2,897.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,630.18 : 8,446.28 = 1,931.45 : x
  2. Step 2: Convert to fraction form
    5,630.18/8,446.28 = 1,931.45/x
  3. Step 3: Cross multiply
    5,630.18x = 8,446.28 × 1,931.45
  4. Step 4: Simplify right side
    5,630.18x = 16,313,515.62
  5. Step 5: Solve for x
    x = 16,313,515.62/5,630.18
  6. Step 6: Final answer
    x = 2,897.51

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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.