Home / 7,898.12-10,899.33-4,313.07

Finding the Fourth Proportional to 7,898.12, 10,899.33 and 4,313.07

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Solution

The fourth proportional to 7,898.12, 10,899.33 and 4,313.07 is: 5,951.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,898.12 : 10,899.33 = 4,313.07 : x
  2. Step 2: Convert to fraction form
    7,898.12/10,899.33 = 4,313.07/x
  3. Step 3: Cross multiply
    7,898.12x = 10,899.33 × 4,313.07
  4. Step 4: Simplify right side
    7,898.12x = 47,009,587.72
  5. Step 5: Solve for x
    x = 47,009,587.72/7,898.12
  6. Step 6: Final answer
    x = 5,951.99

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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.