Home / 7,622.79-10,520.08-4,265.91

Finding the Fourth Proportional to 7,622.79, 10,520.08 and 4,265.91

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Solution

The fourth proportional to 7,622.79, 10,520.08 and 4,265.91 is: 5,887.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,622.79 : 10,520.08 = 4,265.91 : x
  2. Step 2: Convert to fraction form
    7,622.79/10,520.08 = 4,265.91/x
  3. Step 3: Cross multiply
    7,622.79x = 10,520.08 × 4,265.91
  4. Step 4: Simplify right side
    7,622.79x = 44,877,714.47
  5. Step 5: Solve for x
    x = 44,877,714.47/7,622.79
  6. Step 6: Final answer
    x = 5,887.31

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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.