Home / 8,840.40-12,204.12-5,698.32

Finding the Fourth Proportional to 8,840.40, 12,204.12 and 5,698.32

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Solution

The fourth proportional to 8,840.40, 12,204.12 and 5,698.32 is: 7,866.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,840.40 : 12,204.12 = 5,698.32 : x
  2. Step 2: Convert to fraction form
    8,840.40/12,204.12 = 5,698.32/x
  3. Step 3: Cross multiply
    8,840.40x = 12,204.12 × 5,698.32
  4. Step 4: Simplify right side
    8,840.40x = 69,542,981.08
  5. Step 5: Solve for x
    x = 69,542,981.08/8,840.40
  6. Step 6: Final answer
    x = 7,866.50

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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.