Home / 7,491.24-11,161.35-7,384.32

Finding the Fourth Proportional to 7,491.24, 11,161.35 and 7,384.32

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Solution

The fourth proportional to 7,491.24, 11,161.35 and 7,384.32 is: 11,002.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,491.24 : 11,161.35 = 7,384.32 : x
  2. Step 2: Convert to fraction form
    7,491.24/11,161.35 = 7,384.32/x
  3. Step 3: Cross multiply
    7,491.24x = 11,161.35 × 7,384.32
  4. Step 4: Simplify right side
    7,491.24x = 82,418,980.03
  5. Step 5: Solve for x
    x = 82,418,980.03/7,491.24
  6. Step 6: Final answer
    x = 11,002.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.