Home / 7,002.90-10,492.20-4,402.80

Finding the Fourth Proportional to 7,002.90, 10,492.20 and 4,402.80

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Solution

The fourth proportional to 7,002.90, 10,492.20 and 4,402.80 is: 6,596.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,002.90 : 10,492.20 = 4,402.80 : x
  2. Step 2: Convert to fraction form
    7,002.90/10,492.20 = 4,402.80/x
  3. Step 3: Cross multiply
    7,002.90x = 10,492.20 × 4,402.80
  4. Step 4: Simplify right side
    7,002.90x = 46,195,058.16
  5. Step 5: Solve for x
    x = 46,195,058.16/7,002.90
  6. Step 6: Final answer
    x = 6,596.56

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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.