Home / 4,312.32-6,468.50-1,715.25

Finding the Fourth Proportional to 4,312.32, 6,468.50 and 1,715.25

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Solution

The fourth proportional to 4,312.32, 6,468.50 and 1,715.25 is: 2,572.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,312.32 : 6,468.50 = 1,715.25 : x
  2. Step 2: Convert to fraction form
    4,312.32/6,468.50 = 1,715.25/x
  3. Step 3: Cross multiply
    4,312.32x = 6,468.50 × 1,715.25
  4. Step 4: Simplify right side
    4,312.32x = 11,095,094.63
  5. Step 5: Solve for x
    x = 11,095,094.63/4,312.32
  6. Step 6: Final answer
    x = 2,572.88

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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.