Home / 7,895.38-10,895.70-4,358.74

Finding the Fourth Proportional to 7,895.38, 10,895.70 and 4,358.74

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Solution

The fourth proportional to 7,895.38, 10,895.70 and 4,358.74 is: 6,015.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,895.38 : 10,895.70 = 4,358.74 : x
  2. Step 2: Convert to fraction form
    7,895.38/10,895.70 = 4,358.74/x
  3. Step 3: Cross multiply
    7,895.38x = 10,895.70 × 4,358.74
  4. Step 4: Simplify right side
    7,895.38x = 47,491,523.42
  5. Step 5: Solve for x
    x = 47,491,523.42/7,895.38
  6. Step 6: Final answer
    x = 6,015.10

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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.