Home / 6,630.16-9,937.84-2,931.72

Finding the Fourth Proportional to 6,630.16, 9,937.84 and 2,931.72

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Solution

The fourth proportional to 6,630.16, 9,937.84 and 2,931.72 is: 4,394.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,630.16 : 9,937.84 = 2,931.72 : x
  2. Step 2: Convert to fraction form
    6,630.16/9,937.84 = 2,931.72/x
  3. Step 3: Cross multiply
    6,630.16x = 9,937.84 × 2,931.72
  4. Step 4: Simplify right side
    6,630.16x = 29,134,964.28
  5. Step 5: Solve for x
    x = 29,134,964.28/6,630.16
  6. Step 6: Final answer
    x = 4,394.31

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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.