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Finding the Fourth Proportional to 7,953.60, 10,975.47 and 4,595.87

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Solution

The fourth proportional to 7,953.60, 10,975.47 and 4,595.87 is: 6,342.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,953.60 : 10,975.47 = 4,595.87 : x
  2. Step 2: Convert to fraction form
    7,953.60/10,975.47 = 4,595.87/x
  3. Step 3: Cross multiply
    7,953.60x = 10,975.47 × 4,595.87
  4. Step 4: Simplify right side
    7,953.60x = 50,441,755.45
  5. Step 5: Solve for x
    x = 50,441,755.45/7,953.60
  6. Step 6: Final answer
    x = 6,342.01

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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.