Home / 5,557.79-8,337.83-1,860.06

Finding the Fourth Proportional to 5,557.79, 8,337.83 and 1,860.06

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Solution

The fourth proportional to 5,557.79, 8,337.83 and 1,860.06 is: 2,790.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,557.79 : 8,337.83 = 1,860.06 : x
  2. Step 2: Convert to fraction form
    5,557.79/8,337.83 = 1,860.06/x
  3. Step 3: Cross multiply
    5,557.79x = 8,337.83 × 1,860.06
  4. Step 4: Simplify right side
    5,557.79x = 15,508,864.07
  5. Step 5: Solve for x
    x = 15,508,864.07/5,557.79
  6. Step 6: Final answer
    x = 2,790.47

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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.