Home / 7,117.51-9,822.17-3,973.70

Finding the Fourth Proportional to 7,117.51, 9,822.17 and 3,973.70

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Solution

The fourth proportional to 7,117.51, 9,822.17 and 3,973.70 is: 5,483.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,117.51 : 9,822.17 = 3,973.70 : x
  2. Step 2: Convert to fraction form
    7,117.51/9,822.17 = 3,973.70/x
  3. Step 3: Cross multiply
    7,117.51x = 9,822.17 × 3,973.70
  4. Step 4: Simplify right side
    7,117.51x = 39,030,346.99
  5. Step 5: Solve for x
    x = 39,030,346.99/7,117.51
  6. Step 6: Final answer
    x = 5,483.71

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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.