Home / 5,655.12-7,805.02-3,298.68

Finding the Fourth Proportional to 5,655.12, 7,805.02 and 3,298.68

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Solution

The fourth proportional to 5,655.12, 7,805.02 and 3,298.68 is: 4,552.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,655.12 : 7,805.02 = 3,298.68 : x
  2. Step 2: Convert to fraction form
    5,655.12/7,805.02 = 3,298.68/x
  3. Step 3: Cross multiply
    5,655.12x = 7,805.02 × 3,298.68
  4. Step 4: Simplify right side
    5,655.12x = 25,746,263.37
  5. Step 5: Solve for x
    x = 25,746,263.37/5,655.12
  6. Step 6: Final answer
    x = 4,552.74

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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.