Home / 4,744.79-7,117.46-1,457.91

Finding the Fourth Proportional to 4,744.79, 7,117.46 and 1,457.91

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Solution

The fourth proportional to 4,744.79, 7,117.46 and 1,457.91 is: 2,186.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,744.79 : 7,117.46 = 1,457.91 : x
  2. Step 2: Convert to fraction form
    4,744.79/7,117.46 = 1,457.91/x
  3. Step 3: Cross multiply
    4,744.79x = 7,117.46 × 1,457.91
  4. Step 4: Simplify right side
    4,744.79x = 10,376,616.11
  5. Step 5: Solve for x
    x = 10,376,616.11/4,744.79
  6. Step 6: Final answer
    x = 2,186.95

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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.