Home / 9,621.74-14,438.02-4,428.02

Finding the Fourth Proportional to 9,621.74, 14,438.02 and 4,428.02

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Solution

The fourth proportional to 9,621.74, 14,438.02 and 4,428.02 is: 6,644.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,621.74 : 14,438.02 = 4,428.02 : x
  2. Step 2: Convert to fraction form
    9,621.74/14,438.02 = 4,428.02/x
  3. Step 3: Cross multiply
    9,621.74x = 14,438.02 × 4,428.02
  4. Step 4: Simplify right side
    9,621.74x = 63,931,841.32
  5. Step 5: Solve for x
    x = 63,931,841.32/9,621.74
  6. Step 6: Final answer
    x = 6,644.52

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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.