Home / 7,581.10-10,461.76-4,223.91

Finding the Fourth Proportional to 7,581.10, 10,461.76 and 4,223.91

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Solution

The fourth proportional to 7,581.10, 10,461.76 and 4,223.91 is: 5,828.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,581.10 : 10,461.76 = 4,223.91 : x
  2. Step 2: Convert to fraction form
    7,581.10/10,461.76 = 4,223.91/x
  3. Step 3: Cross multiply
    7,581.10x = 10,461.76 × 4,223.91
  4. Step 4: Simplify right side
    7,581.10x = 44,189,532.68
  5. Step 5: Solve for x
    x = 44,189,532.68/7,581.10
  6. Step 6: Final answer
    x = 5,828.91

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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.