Home / 7,368.39-11,053.80-2,988.86

Finding the Fourth Proportional to 7,368.39, 11,053.80 and 2,988.86

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Solution

The fourth proportional to 7,368.39, 11,053.80 and 2,988.86 is: 4,483.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,368.39 : 11,053.80 = 2,988.86 : x
  2. Step 2: Convert to fraction form
    7,368.39/11,053.80 = 2,988.86/x
  3. Step 3: Cross multiply
    7,368.39x = 11,053.80 × 2,988.86
  4. Step 4: Simplify right side
    7,368.39x = 33,038,205.40
  5. Step 5: Solve for x
    x = 33,038,205.40/7,368.39
  6. Step 6: Final answer
    x = 4,483.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.