Home / 7,564.83-10,439.28-4,207.65

Finding the Fourth Proportional to 7,564.83, 10,439.28 and 4,207.65

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Solution

The fourth proportional to 7,564.83, 10,439.28 and 4,207.65 is: 5,806.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,564.83 : 10,439.28 = 4,207.65 : x
  2. Step 2: Convert to fraction form
    7,564.83/10,439.28 = 4,207.65/x
  3. Step 3: Cross multiply
    7,564.83x = 10,439.28 × 4,207.65
  4. Step 4: Simplify right side
    7,564.83x = 43,924,836.49
  5. Step 5: Solve for x
    x = 43,924,836.49/7,564.83
  6. Step 6: Final answer
    x = 5,806.45

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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.