Home / 7,715.64-11,591.93-4,947.74

Finding the Fourth Proportional to 7,715.64, 11,591.93 and 4,947.74

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Solution

The fourth proportional to 7,715.64, 11,591.93 and 4,947.74 is: 7,433.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,715.64 : 11,591.93 = 4,947.74 : x
  2. Step 2: Convert to fraction form
    7,715.64/11,591.93 = 4,947.74/x
  3. Step 3: Cross multiply
    7,715.64x = 11,591.93 × 4,947.74
  4. Step 4: Simplify right side
    7,715.64x = 57,353,855.74
  5. Step 5: Solve for x
    x = 57,353,855.74/7,715.64
  6. Step 6: Final answer
    x = 7,433.45

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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.