Home / 5,630.79-8,445.20-1,681.94

Finding the Fourth Proportional to 5,630.79, 8,445.20 and 1,681.94

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Solution

The fourth proportional to 5,630.79, 8,445.20 and 1,681.94 is: 2,522.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,630.79 : 8,445.20 = 1,681.94 : x
  2. Step 2: Convert to fraction form
    5,630.79/8,445.20 = 1,681.94/x
  3. Step 3: Cross multiply
    5,630.79x = 8,445.20 × 1,681.94
  4. Step 4: Simplify right side
    5,630.79x = 14,204,332.39
  5. Step 5: Solve for x
    x = 14,204,332.39/5,630.79
  6. Step 6: Final answer
    x = 2,522.62

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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.