Home / 6,456.09-8,903.48-4,329.92

Finding the Fourth Proportional to 6,456.09, 8,903.48 and 4,329.92

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Solution

The fourth proportional to 6,456.09, 8,903.48 and 4,329.92 is: 5,971.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,456.09 : 8,903.48 = 4,329.92 : x
  2. Step 2: Convert to fraction form
    6,456.09/8,903.48 = 4,329.92/x
  3. Step 3: Cross multiply
    6,456.09x = 8,903.48 × 4,329.92
  4. Step 4: Simplify right side
    6,456.09x = 38,551,349.61
  5. Step 5: Solve for x
    x = 38,551,349.61/6,456.09
  6. Step 6: Final answer
    x = 5,971.31

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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.