Home / 7,428.02-10,250.60-4,070.82

Finding the Fourth Proportional to 7,428.02, 10,250.60 and 4,070.82

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Solution

The fourth proportional to 7,428.02, 10,250.60 and 4,070.82 is: 5,617.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,428.02 : 10,250.60 = 4,070.82 : x
  2. Step 2: Convert to fraction form
    7,428.02/10,250.60 = 4,070.82/x
  3. Step 3: Cross multiply
    7,428.02x = 10,250.60 × 4,070.82
  4. Step 4: Simplify right side
    7,428.02x = 41,728,347.49
  5. Step 5: Solve for x
    x = 41,728,347.49/7,428.02
  6. Step 6: Final answer
    x = 5,617.69

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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.