Home / 4,989.07-6,881.51-3,642.32

Finding the Fourth Proportional to 4,989.07, 6,881.51 and 3,642.32

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Solution

The fourth proportional to 4,989.07, 6,881.51 and 3,642.32 is: 5,023.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,989.07 : 6,881.51 = 3,642.32 : x
  2. Step 2: Convert to fraction form
    4,989.07/6,881.51 = 3,642.32/x
  3. Step 3: Cross multiply
    4,989.07x = 6,881.51 × 3,642.32
  4. Step 4: Simplify right side
    4,989.07x = 25,064,687.81
  5. Step 5: Solve for x
    x = 25,064,687.81/4,989.07
  6. Step 6: Final answer
    x = 5,023.92

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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.