Home / 7,473.18-10,312.57-4,115.35

Finding the Fourth Proportional to 7,473.18, 10,312.57 and 4,115.35

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Solution

The fourth proportional to 7,473.18, 10,312.57 and 4,115.35 is: 5,678.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,473.18 : 10,312.57 = 4,115.35 : x
  2. Step 2: Convert to fraction form
    7,473.18/10,312.57 = 4,115.35/x
  3. Step 3: Cross multiply
    7,473.18x = 10,312.57 × 4,115.35
  4. Step 4: Simplify right side
    7,473.18x = 42,439,834.95
  5. Step 5: Solve for x
    x = 42,439,834.95/7,473.18
  6. Step 6: Final answer
    x = 5,678.95

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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.