Home / 5,427.90-7,490.61-3,070.02

Finding the Fourth Proportional to 5,427.90, 7,490.61 and 3,070.02

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Solution

The fourth proportional to 5,427.90, 7,490.61 and 3,070.02 is: 4,236.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,427.90 : 7,490.61 = 3,070.02 : x
  2. Step 2: Convert to fraction form
    5,427.90/7,490.61 = 3,070.02/x
  3. Step 3: Cross multiply
    5,427.90x = 7,490.61 × 3,070.02
  4. Step 4: Simplify right side
    5,427.90x = 22,996,322.51
  5. Step 5: Solve for x
    x = 22,996,322.51/5,427.90
  6. Step 6: Final answer
    x = 4,236.69

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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.