Home / 7,378.90-10,182.56-4,235.02

Finding the Fourth Proportional to 7,378.90, 10,182.56 and 4,235.02

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Solution

The fourth proportional to 7,378.90, 10,182.56 and 4,235.02 is: 5,844.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,378.90 : 10,182.56 = 4,235.02 : x
  2. Step 2: Convert to fraction form
    7,378.90/10,182.56 = 4,235.02/x
  3. Step 3: Cross multiply
    7,378.90x = 10,182.56 × 4,235.02
  4. Step 4: Simplify right side
    7,378.90x = 43,123,345.25
  5. Step 5: Solve for x
    x = 43,123,345.25/7,378.90
  6. Step 6: Final answer
    x = 5,844.14

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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.