Home / 8,813.19-12,162.85-5,036.28

Finding the Fourth Proportional to 8,813.19, 12,162.85 and 5,036.28

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Solution

The fourth proportional to 8,813.19, 12,162.85 and 5,036.28 is: 6,950.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,813.19 : 12,162.85 = 5,036.28 : x
  2. Step 2: Convert to fraction form
    8,813.19/12,162.85 = 5,036.28/x
  3. Step 3: Cross multiply
    8,813.19x = 12,162.85 × 5,036.28
  4. Step 4: Simplify right side
    8,813.19x = 61,255,460.00
  5. Step 5: Solve for x
    x = 61,255,460.00/8,813.19
  6. Step 6: Final answer
    x = 6,950.43

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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.