Home / 8,341.30-11,510.40-4,984.39

Finding the Fourth Proportional to 8,341.30, 11,510.40 and 4,984.39

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Solution

The fourth proportional to 8,341.30, 11,510.40 and 4,984.39 is: 6,878.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,341.30 : 11,510.40 = 4,984.39 : x
  2. Step 2: Convert to fraction form
    8,341.30/11,510.40 = 4,984.39/x
  3. Step 3: Cross multiply
    8,341.30x = 11,510.40 × 4,984.39
  4. Step 4: Simplify right side
    8,341.30x = 57,372,322.66
  5. Step 5: Solve for x
    x = 57,372,322.66/8,341.30
  6. Step 6: Final answer
    x = 6,878.10

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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.