Home / 8,345.34-11,519.13-4,810.91

Finding the Fourth Proportional to 8,345.34, 11,519.13 and 4,810.91

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Solution

The fourth proportional to 8,345.34, 11,519.13 and 4,810.91 is: 6,640.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,345.34 : 11,519.13 = 4,810.91 : x
  2. Step 2: Convert to fraction form
    8,345.34/11,519.13 = 4,810.91/x
  3. Step 3: Cross multiply
    8,345.34x = 11,519.13 × 4,810.91
  4. Step 4: Simplify right side
    8,345.34x = 55,417,440.11
  5. Step 5: Solve for x
    x = 55,417,440.11/8,345.34
  6. Step 6: Final answer
    x = 6,640.53

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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.