Home / 9,145.68-12,621.06-4,953.96

Finding the Fourth Proportional to 9,145.68, 12,621.06 and 4,953.96

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Solution

The fourth proportional to 9,145.68, 12,621.06 and 4,953.96 is: 6,836.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,145.68 : 12,621.06 = 4,953.96 : x
  2. Step 2: Convert to fraction form
    9,145.68/12,621.06 = 4,953.96/x
  3. Step 3: Cross multiply
    9,145.68x = 12,621.06 × 4,953.96
  4. Step 4: Simplify right side
    9,145.68x = 62,524,226.40
  5. Step 5: Solve for x
    x = 62,524,226.40/9,145.68
  6. Step 6: Final answer
    x = 6,836.48

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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.