Home / 4,312.30-6,469.16-1,538.38

Finding the Fourth Proportional to 4,312.30, 6,469.16 and 1,538.38

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Solution

The fourth proportional to 4,312.30, 6,469.16 and 1,538.38 is: 2,307.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,312.30 : 6,469.16 = 1,538.38 : x
  2. Step 2: Convert to fraction form
    4,312.30/6,469.16 = 1,538.38/x
  3. Step 3: Cross multiply
    4,312.30x = 6,469.16 × 1,538.38
  4. Step 4: Simplify right side
    4,312.30x = 9,952,026.36
  5. Step 5: Solve for x
    x = 9,952,026.36/4,312.30
  6. Step 6: Final answer
    x = 2,307.82

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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.