Home / 4,950.31-7,426.61-1,440.40

Finding the Fourth Proportional to 4,950.31, 7,426.61 and 1,440.40

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Solution

The fourth proportional to 4,950.31, 7,426.61 and 1,440.40 is: 2,160.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,950.31 : 7,426.61 = 1,440.40 : x
  2. Step 2: Convert to fraction form
    4,950.31/7,426.61 = 1,440.40/x
  3. Step 3: Cross multiply
    4,950.31x = 7,426.61 × 1,440.40
  4. Step 4: Simplify right side
    4,950.31x = 10,697,244.71
  5. Step 5: Solve for x
    x = 10,697,244.71/4,950.31
  6. Step 6: Final answer
    x = 2,160.93

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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.