Home / 8,998.04-12,415.20-5,461.40

Finding the Fourth Proportional to 8,998.04, 12,415.20 and 5,461.40

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Solution

The fourth proportional to 8,998.04, 12,415.20 and 5,461.40 is: 7,535.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,998.04 : 12,415.20 = 5,461.40 : x
  2. Step 2: Convert to fraction form
    8,998.04/12,415.20 = 5,461.40/x
  3. Step 3: Cross multiply
    8,998.04x = 12,415.20 × 5,461.40
  4. Step 4: Simplify right side
    8,998.04x = 67,804,373.28
  5. Step 5: Solve for x
    x = 67,804,373.28/8,998.04
  6. Step 6: Final answer
    x = 7,535.46

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Half scale
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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.