Home / 5,630.09-8,440.07-3,434.13

Finding the Fourth Proportional to 5,630.09, 8,440.07 and 3,434.13

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Solution

The fourth proportional to 5,630.09, 8,440.07 and 3,434.13 is: 5,148.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,630.09 : 8,440.07 = 3,434.13 : x
  2. Step 2: Convert to fraction form
    5,630.09/8,440.07 = 3,434.13/x
  3. Step 3: Cross multiply
    5,630.09x = 8,440.07 × 3,434.13
  4. Step 4: Simplify right side
    5,630.09x = 28,984,280.42
  5. Step 5: Solve for x
    x = 28,984,280.42/5,630.09
  6. Step 6: Final answer
    x = 5,148.11

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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.