Home / 5,326.95-7,355.10-3,439.63

Finding the Fourth Proportional to 5,326.95, 7,355.10 and 3,439.63

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Solution

The fourth proportional to 5,326.95, 7,355.10 and 3,439.63 is: 4,749.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,326.95 : 7,355.10 = 3,439.63 : x
  2. Step 2: Convert to fraction form
    5,326.95/7,355.10 = 3,439.63/x
  3. Step 3: Cross multiply
    5,326.95x = 7,355.10 × 3,439.63
  4. Step 4: Simplify right side
    5,326.95x = 25,298,822.61
  5. Step 5: Solve for x
    x = 25,298,822.61/5,326.95
  6. Step 6: Final answer
    x = 4,749.21

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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.