Home / 5,419.02-7,478.23-2,935.02

Finding the Fourth Proportional to 5,419.02, 7,478.23 and 2,935.02

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Solution

The fourth proportional to 5,419.02, 7,478.23 and 2,935.02 is: 4,050.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,419.02 : 7,478.23 = 2,935.02 : x
  2. Step 2: Convert to fraction form
    5,419.02/7,478.23 = 2,935.02/x
  3. Step 3: Cross multiply
    5,419.02x = 7,478.23 × 2,935.02
  4. Step 4: Simplify right side
    5,419.02x = 21,948,754.61
  5. Step 5: Solve for x
    x = 21,948,754.61/5,419.02
  6. Step 6: Final answer
    x = 4,050.32

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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.