Home / 4,280.59-6,422.75-1,509.27

Finding the Fourth Proportional to 4,280.59, 6,422.75 and 1,509.27

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Solution

The fourth proportional to 4,280.59, 6,422.75 and 1,509.27 is: 2,264.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,280.59 : 6,422.75 = 1,509.27 : x
  2. Step 2: Convert to fraction form
    4,280.59/6,422.75 = 1,509.27/x
  3. Step 3: Cross multiply
    4,280.59x = 6,422.75 × 1,509.27
  4. Step 4: Simplify right side
    4,280.59x = 9,693,663.89
  5. Step 5: Solve for x
    x = 9,693,663.89/4,280.59
  6. Step 6: Final answer
    x = 2,264.56

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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.