Home / 4,981.20-7,465.40-2,061.52

Finding the Fourth Proportional to 4,981.20, 7,465.40 and 2,061.52

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Solution

The fourth proportional to 4,981.20, 7,465.40 and 2,061.52 is: 3,089.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,981.20 : 7,465.40 = 2,061.52 : x
  2. Step 2: Convert to fraction form
    4,981.20/7,465.40 = 2,061.52/x
  3. Step 3: Cross multiply
    4,981.20x = 7,465.40 × 2,061.52
  4. Step 4: Simplify right side
    4,981.20x = 15,390,071.41
  5. Step 5: Solve for x
    x = 15,390,071.41/4,981.20
  6. Step 6: Final answer
    x = 3,089.63

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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.