Home / 7,913.35-10,915.86-5,036.76

Finding the Fourth Proportional to 7,913.35, 10,915.86 and 5,036.76

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Solution

The fourth proportional to 7,913.35, 10,915.86 and 5,036.76 is: 6,947.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,913.35 : 10,915.86 = 5,036.76 : x
  2. Step 2: Convert to fraction form
    7,913.35/10,915.86 = 5,036.76/x
  3. Step 3: Cross multiply
    7,913.35x = 10,915.86 × 5,036.76
  4. Step 4: Simplify right side
    7,913.35x = 54,980,624.28
  5. Step 5: Solve for x
    x = 54,980,624.28/7,913.35
  6. Step 6: Final answer
    x = 6,947.83

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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.