Home / 4,428.75-6,642.98-1,507.08

Finding the Fourth Proportional to 4,428.75, 6,642.98 and 1,507.08

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Solution

The fourth proportional to 4,428.75, 6,642.98 and 1,507.08 is: 2,260.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,428.75 : 6,642.98 = 1,507.08 : x
  2. Step 2: Convert to fraction form
    4,428.75/6,642.98 = 1,507.08/x
  3. Step 3: Cross multiply
    4,428.75x = 6,642.98 × 1,507.08
  4. Step 4: Simplify right side
    4,428.75x = 10,011,494.76
  5. Step 5: Solve for x
    x = 10,011,494.76/4,428.75
  6. Step 6: Final answer
    x = 2,260.57

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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.