Home / 7,690.13-10,612.25-4,333.29

Finding the Fourth Proportional to 7,690.13, 10,612.25 and 4,333.29

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Solution

The fourth proportional to 7,690.13, 10,612.25 and 4,333.29 is: 5,979.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,690.13 : 10,612.25 = 4,333.29 : x
  2. Step 2: Convert to fraction form
    7,690.13/10,612.25 = 4,333.29/x
  3. Step 3: Cross multiply
    7,690.13x = 10,612.25 × 4,333.29
  4. Step 4: Simplify right side
    7,690.13x = 45,985,941.11
  5. Step 5: Solve for x
    x = 45,985,941.11/7,690.13
  6. Step 6: Final answer
    x = 5,979.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.