Home / 6,914.12-9,543.60-6,561.40

Finding the Fourth Proportional to 6,914.12, 9,543.60 and 6,561.40

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Solution

The fourth proportional to 6,914.12, 9,543.60 and 6,561.40 is: 9,056.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,914.12 : 9,543.60 = 6,561.40 : x
  2. Step 2: Convert to fraction form
    6,914.12/9,543.60 = 6,561.40/x
  3. Step 3: Cross multiply
    6,914.12x = 9,543.60 × 6,561.40
  4. Step 4: Simplify right side
    6,914.12x = 62,619,377.04
  5. Step 5: Solve for x
    x = 62,619,377.04/6,914.12
  6. Step 6: Final answer
    x = 9,056.74

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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.