Home / 4,877.48-7,320.02-1,957.70

Finding the Fourth Proportional to 4,877.48, 7,320.02 and 1,957.70

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Solution

The fourth proportional to 4,877.48, 7,320.02 and 1,957.70 is: 2,938.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,877.48 : 7,320.02 = 1,957.70 : x
  2. Step 2: Convert to fraction form
    4,877.48/7,320.02 = 1,957.70/x
  3. Step 3: Cross multiply
    4,877.48x = 7,320.02 × 1,957.70
  4. Step 4: Simplify right side
    4,877.48x = 14,330,371.45
  5. Step 5: Solve for x
    x = 14,330,371.45/4,877.48
  6. Step 6: Final answer
    x = 2,938.07

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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.