Home / 7,897.79-10,898.19-4,712.06

Finding the Fourth Proportional to 7,897.79, 10,898.19 and 4,712.06

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Solution

The fourth proportional to 7,897.79, 10,898.19 and 4,712.06 is: 6,502.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,897.79 : 10,898.19 = 4,712.06 : x
  2. Step 2: Convert to fraction form
    7,897.79/10,898.19 = 4,712.06/x
  3. Step 3: Cross multiply
    7,897.79x = 10,898.19 × 4,712.06
  4. Step 4: Simplify right side
    7,897.79x = 51,352,870.68
  5. Step 5: Solve for x
    x = 51,352,870.68/7,897.79
  6. Step 6: Final answer
    x = 6,502.19

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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.