Home / 6,611.04-9,119.76-5,036.40

Finding the Fourth Proportional to 6,611.04, 9,119.76 and 5,036.40

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Solution

The fourth proportional to 6,611.04, 9,119.76 and 5,036.40 is: 6,947.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,611.04 : 9,119.76 = 5,036.40 : x
  2. Step 2: Convert to fraction form
    6,611.04/9,119.76 = 5,036.40/x
  3. Step 3: Cross multiply
    6,611.04x = 9,119.76 × 5,036.40
  4. Step 4: Simplify right side
    6,611.04x = 45,930,759.26
  5. Step 5: Solve for x
    x = 45,930,759.26/6,611.04
  6. Step 6: Final answer
    x = 6,947.58

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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.