Home / 7,631.79-10,531.69-4,445.65

Finding the Fourth Proportional to 7,631.79, 10,531.69 and 4,445.65

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Solution

The fourth proportional to 7,631.79, 10,531.69 and 4,445.65 is: 6,134.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,631.79 : 10,531.69 = 4,445.65 : x
  2. Step 2: Convert to fraction form
    7,631.79/10,531.69 = 4,445.65/x
  3. Step 3: Cross multiply
    7,631.79x = 10,531.69 × 4,445.65
  4. Step 4: Simplify right side
    7,631.79x = 46,820,207.65
  5. Step 5: Solve for x
    x = 46,820,207.65/7,631.79
  6. Step 6: Final answer
    x = 6,134.89

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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.