Home / 10,285.41-15,429.02-2,889.93

Finding the Fourth Proportional to 10,285.41, 15,429.02 and 2,889.93

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Solution

The fourth proportional to 10,285.41, 15,429.02 and 2,889.93 is: 4,335.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,285.41 : 15,429.02 = 2,889.93 : x
  2. Step 2: Convert to fraction form
    10,285.41/15,429.02 = 2,889.93/x
  3. Step 3: Cross multiply
    10,285.41x = 15,429.02 × 2,889.93
  4. Step 4: Simplify right side
    10,285.41x = 44,588,773.32
  5. Step 5: Solve for x
    x = 44,588,773.32/10,285.41
  6. Step 6: Final answer
    x = 4,335.15

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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.