Home / 5,656.60-7,805.75-3,417.15

Finding the Fourth Proportional to 5,656.60, 7,805.75 and 3,417.15

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Solution

The fourth proportional to 5,656.60, 7,805.75 and 3,417.15 is: 4,715.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,656.60 : 7,805.75 = 3,417.15 : x
  2. Step 2: Convert to fraction form
    5,656.60/7,805.75 = 3,417.15/x
  3. Step 3: Cross multiply
    5,656.60x = 7,805.75 × 3,417.15
  4. Step 4: Simplify right side
    5,656.60x = 26,673,418.61
  5. Step 5: Solve for x
    x = 26,673,418.61/5,656.60
  6. Step 6: Final answer
    x = 4,715.45

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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.