Home / 7,890.42-11,833.06-2,624.01

Finding the Fourth Proportional to 7,890.42, 11,833.06 and 2,624.01

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Solution

The fourth proportional to 7,890.42, 11,833.06 and 2,624.01 is: 3,935.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,890.42 : 11,833.06 = 2,624.01 : x
  2. Step 2: Convert to fraction form
    7,890.42/11,833.06 = 2,624.01/x
  3. Step 3: Cross multiply
    7,890.42x = 11,833.06 × 2,624.01
  4. Step 4: Simplify right side
    7,890.42x = 31,050,061.21
  5. Step 5: Solve for x
    x = 31,050,061.21/7,890.42
  6. Step 6: Final answer
    x = 3,935.16

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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.