Home / 7,624.79-10,521.25-4,439.12

Finding the Fourth Proportional to 7,624.79, 10,521.25 and 4,439.12

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Solution

The fourth proportional to 7,624.79, 10,521.25 and 4,439.12 is: 6,125.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,624.79 : 10,521.25 = 4,439.12 : x
  2. Step 2: Convert to fraction form
    7,624.79/10,521.25 = 4,439.12/x
  3. Step 3: Cross multiply
    7,624.79x = 10,521.25 × 4,439.12
  4. Step 4: Simplify right side
    7,624.79x = 46,705,038.69
  5. Step 5: Solve for x
    x = 46,705,038.69/7,624.79
  6. Step 6: Final answer
    x = 6,125.42

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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.