Home / 4,312.80-6,460.56-3,875.76

Finding the Fourth Proportional to 4,312.80, 6,460.56 and 3,875.76

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Solution

The fourth proportional to 4,312.80, 6,460.56 and 3,875.76 is: 5,805.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,312.80 : 6,460.56 = 3,875.76 : x
  2. Step 2: Convert to fraction form
    4,312.80/6,460.56 = 3,875.76/x
  3. Step 3: Cross multiply
    4,312.80x = 6,460.56 × 3,875.76
  4. Step 4: Simplify right side
    4,312.80x = 25,039,580.03
  5. Step 5: Solve for x
    x = 25,039,580.03/4,312.80
  6. Step 6: Final answer
    x = 5,805.88

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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.