Home / 8,127.16-11,215.53-4,590.29

Finding the Fourth Proportional to 8,127.16, 11,215.53 and 4,590.29

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Solution

The fourth proportional to 8,127.16, 11,215.53 and 4,590.29 is: 6,334.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,127.16 : 11,215.53 = 4,590.29 : x
  2. Step 2: Convert to fraction form
    8,127.16/11,215.53 = 4,590.29/x
  3. Step 3: Cross multiply
    8,127.16x = 11,215.53 × 4,590.29
  4. Step 4: Simplify right side
    8,127.16x = 51,482,563.24
  5. Step 5: Solve for x
    x = 51,482,563.24/8,127.16
  6. Step 6: Final answer
    x = 6,334.63

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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.