Home / 4,312.10-6,468.88-1,538.12

Finding the Fourth Proportional to 4,312.10, 6,468.88 and 1,538.12

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Solution

The fourth proportional to 4,312.10, 6,468.88 and 1,538.12 is: 2,307.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,312.10 : 6,468.88 = 1,538.12 : x
  2. Step 2: Convert to fraction form
    4,312.10/6,468.88 = 1,538.12/x
  3. Step 3: Cross multiply
    4,312.10x = 6,468.88 × 1,538.12
  4. Step 4: Simplify right side
    4,312.10x = 9,949,913.71
  5. Step 5: Solve for x
    x = 9,949,913.71/4,312.10
  6. Step 6: Final answer
    x = 2,307.44

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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.