Home / 5,800.79-8,700.37-1,904.69

Finding the Fourth Proportional to 5,800.79, 8,700.37 and 1,904.69

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Solution

The fourth proportional to 5,800.79, 8,700.37 and 1,904.69 is: 2,856.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,800.79 : 8,700.37 = 1,904.69 : x
  2. Step 2: Convert to fraction form
    5,800.79/8,700.37 = 1,904.69/x
  3. Step 3: Cross multiply
    5,800.79x = 8,700.37 × 1,904.69
  4. Step 4: Simplify right side
    5,800.79x = 16,571,507.74
  5. Step 5: Solve for x
    x = 16,571,507.74/5,800.79
  6. Step 6: Final answer
    x = 2,856.77

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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.