Home / 6,931.20-10,376.40-4,326.24

Finding the Fourth Proportional to 6,931.20, 10,376.40 and 4,326.24

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Solution

The fourth proportional to 6,931.20, 10,376.40 and 4,326.24 is: 6,476.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,931.20 : 10,376.40 = 4,326.24 : x
  2. Step 2: Convert to fraction form
    6,931.20/10,376.40 = 4,326.24/x
  3. Step 3: Cross multiply
    6,931.20x = 10,376.40 × 4,326.24
  4. Step 4: Simplify right side
    6,931.20x = 44,890,796.74
  5. Step 5: Solve for x
    x = 44,890,796.74/6,931.20
  6. Step 6: Final answer
    x = 6,476.63

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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.