Home / 8,219.52-11,341.26-4,681.80

Finding the Fourth Proportional to 8,219.52, 11,341.26 and 4,681.80

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Solution

The fourth proportional to 8,219.52, 11,341.26 and 4,681.80 is: 6,459.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,219.52 : 11,341.26 = 4,681.80 : x
  2. Step 2: Convert to fraction form
    8,219.52/11,341.26 = 4,681.80/x
  3. Step 3: Cross multiply
    8,219.52x = 11,341.26 × 4,681.80
  4. Step 4: Simplify right side
    8,219.52x = 53,097,511.07
  5. Step 5: Solve for x
    x = 53,097,511.07/8,219.52
  6. Step 6: Final answer
    x = 6,459.93

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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.