Home / 7,376.87-10,178.97-4,392.63

Finding the Fourth Proportional to 7,376.87, 10,178.97 and 4,392.63

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Solution

The fourth proportional to 7,376.87, 10,178.97 and 4,392.63 is: 6,061.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,376.87 : 10,178.97 = 4,392.63 : x
  2. Step 2: Convert to fraction form
    7,376.87/10,178.97 = 4,392.63/x
  3. Step 3: Cross multiply
    7,376.87x = 10,178.97 × 4,392.63
  4. Step 4: Simplify right side
    7,376.87x = 44,712,432.52
  5. Step 5: Solve for x
    x = 44,712,432.52/7,376.87
  6. Step 6: Final answer
    x = 6,061.16

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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.