Home / 7,475.32-10,315.33-4,288.58

Finding the Fourth Proportional to 7,475.32, 10,315.33 and 4,288.58

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Solution

The fourth proportional to 7,475.32, 10,315.33 and 4,288.58 is: 5,917.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,475.32 : 10,315.33 = 4,288.58 : x
  2. Step 2: Convert to fraction form
    7,475.32/10,315.33 = 4,288.58/x
  3. Step 3: Cross multiply
    7,475.32x = 10,315.33 × 4,288.58
  4. Step 4: Simplify right side
    7,475.32x = 44,238,117.93
  5. Step 5: Solve for x
    x = 44,238,117.93/7,475.32
  6. Step 6: Final answer
    x = 5,917.89

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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.