Home / 5,387.23-7,435.02-3,030.13

Finding the Fourth Proportional to 5,387.23, 7,435.02 and 3,030.13

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Solution

The fourth proportional to 5,387.23, 7,435.02 and 3,030.13 is: 4,181.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,387.23 : 7,435.02 = 3,030.13 : x
  2. Step 2: Convert to fraction form
    5,387.23/7,435.02 = 3,030.13/x
  3. Step 3: Cross multiply
    5,387.23x = 7,435.02 × 3,030.13
  4. Step 4: Simplify right side
    5,387.23x = 22,529,077.15
  5. Step 5: Solve for x
    x = 22,529,077.15/5,387.23
  6. Step 6: Final answer
    x = 4,181.94

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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.