Home / 6,403.29-8,840.02-4,424.48

Finding the Fourth Proportional to 6,403.29, 8,840.02 and 4,424.48

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Solution

The fourth proportional to 6,403.29, 8,840.02 and 4,424.48 is: 6,108.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,403.29 : 8,840.02 = 4,424.48 : x
  2. Step 2: Convert to fraction form
    6,403.29/8,840.02 = 4,424.48/x
  3. Step 3: Cross multiply
    6,403.29x = 8,840.02 × 4,424.48
  4. Step 4: Simplify right side
    6,403.29x = 39,112,491.69
  5. Step 5: Solve for x
    x = 39,112,491.69/6,403.29
  6. Step 6: Final answer
    x = 6,108.19

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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.