Home / 8,127.24-11,215.50-4,590.40

Finding the Fourth Proportional to 8,127.24, 11,215.50 and 4,590.40

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Solution

The fourth proportional to 8,127.24, 11,215.50 and 4,590.40 is: 6,334.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,127.24 : 11,215.50 = 4,590.40 : x
  2. Step 2: Convert to fraction form
    8,127.24/11,215.50 = 4,590.40/x
  3. Step 3: Cross multiply
    8,127.24x = 11,215.50 × 4,590.40
  4. Step 4: Simplify right side
    8,127.24x = 51,483,631.20
  5. Step 5: Solve for x
    x = 51,483,631.20/8,127.24
  6. Step 6: Final answer
    x = 6,334.70

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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.