Home / 5,089.32-7,627.46-4,428.45

Finding the Fourth Proportional to 5,089.32, 7,627.46 and 4,428.45

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Solution

The fourth proportional to 5,089.32, 7,627.46 and 4,428.45 is: 6,637.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,089.32 : 7,627.46 = 4,428.45 : x
  2. Step 2: Convert to fraction form
    5,089.32/7,627.46 = 4,428.45/x
  3. Step 3: Cross multiply
    5,089.32x = 7,627.46 × 4,428.45
  4. Step 4: Simplify right side
    5,089.32x = 33,777,803.09
  5. Step 5: Solve for x
    x = 33,777,803.09/5,089.32
  6. Step 6: Final answer
    x = 6,637.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.