Home / 10,275.41-15,415.02-3,257.20

Finding the Fourth Proportional to 10,275.41, 15,415.02 and 3,257.20

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Solution

The fourth proportional to 10,275.41, 15,415.02 and 3,257.20 is: 4,886.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,275.41 : 15,415.02 = 3,257.20 : x
  2. Step 2: Convert to fraction form
    10,275.41/15,415.02 = 3,257.20/x
  3. Step 3: Cross multiply
    10,275.41x = 15,415.02 × 3,257.20
  4. Step 4: Simplify right side
    10,275.41x = 50,209,803.14
  5. Step 5: Solve for x
    x = 50,209,803.14/10,275.41
  6. Step 6: Final answer
    x = 4,886.40

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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.