Home / 4,289.02-6,432.25-1,515.18

Finding the Fourth Proportional to 4,289.02, 6,432.25 and 1,515.18

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Solution

The fourth proportional to 4,289.02, 6,432.25 and 1,515.18 is: 2,272.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,289.02 : 6,432.25 = 1,515.18 : x
  2. Step 2: Convert to fraction form
    4,289.02/6,432.25 = 1,515.18/x
  3. Step 3: Cross multiply
    4,289.02x = 6,432.25 × 1,515.18
  4. Step 4: Simplify right side
    4,289.02x = 9,746,016.56
  5. Step 5: Solve for x
    x = 9,746,016.56/4,289.02
  6. Step 6: Final answer
    x = 2,272.32

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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.