Home / 7,491.65-10,339.13-4,135.19

Finding the Fourth Proportional to 7,491.65, 10,339.13 and 4,135.19

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Solution

The fourth proportional to 7,491.65, 10,339.13 and 4,135.19 is: 5,706.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,491.65 : 10,339.13 = 4,135.19 : x
  2. Step 2: Convert to fraction form
    7,491.65/10,339.13 = 4,135.19/x
  3. Step 3: Cross multiply
    7,491.65x = 10,339.13 × 4,135.19
  4. Step 4: Simplify right side
    7,491.65x = 42,754,225.63
  5. Step 5: Solve for x
    x = 42,754,225.63/7,491.65
  6. Step 6: Final answer
    x = 5,706.92

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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.