Home / 5,539.74-7,642.58-3,385.16

Finding the Fourth Proportional to 5,539.74, 7,642.58 and 3,385.16

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Solution

The fourth proportional to 5,539.74, 7,642.58 and 3,385.16 is: 4,670.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,539.74 : 7,642.58 = 3,385.16 : x
  2. Step 2: Convert to fraction form
    5,539.74/7,642.58 = 3,385.16/x
  3. Step 3: Cross multiply
    5,539.74x = 7,642.58 × 3,385.16
  4. Step 4: Simplify right side
    5,539.74x = 25,871,356.11
  5. Step 5: Solve for x
    x = 25,871,356.11/5,539.74
  6. Step 6: Final answer
    x = 4,670.14

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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.