Home / 7,456.28-10,289.87-4,099.19

Finding the Fourth Proportional to 7,456.28, 10,289.87 and 4,099.19

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Solution

The fourth proportional to 7,456.28, 10,289.87 and 4,099.19 is: 5,656.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,456.28 : 10,289.87 = 4,099.19 : x
  2. Step 2: Convert to fraction form
    7,456.28/10,289.87 = 4,099.19/x
  3. Step 3: Cross multiply
    7,456.28x = 10,289.87 × 4,099.19
  4. Step 4: Simplify right side
    7,456.28x = 42,180,060.26
  5. Step 5: Solve for x
    x = 42,180,060.26/7,456.28
  6. Step 6: Final answer
    x = 5,656.99

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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.