Home / 7,042.02-9,715.60-4,057.76

Finding the Fourth Proportional to 7,042.02, 9,715.60 and 4,057.76

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Solution

The fourth proportional to 7,042.02, 9,715.60 and 4,057.76 is: 5,598.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,042.02 : 9,715.60 = 4,057.76 : x
  2. Step 2: Convert to fraction form
    7,042.02/9,715.60 = 4,057.76/x
  3. Step 3: Cross multiply
    7,042.02x = 9,715.60 × 4,057.76
  4. Step 4: Simplify right side
    7,042.02x = 39,423,573.06
  5. Step 5: Solve for x
    x = 39,423,573.06/7,042.02
  6. Step 6: Final answer
    x = 5,598.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.