Home / 7,212.44-9,947.96-5,569.27

Finding the Fourth Proportional to 7,212.44, 9,947.96 and 5,569.27

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Solution

The fourth proportional to 7,212.44, 9,947.96 and 5,569.27 is: 7,681.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,212.44 : 9,947.96 = 5,569.27 : x
  2. Step 2: Convert to fraction form
    7,212.44/9,947.96 = 5,569.27/x
  3. Step 3: Cross multiply
    7,212.44x = 9,947.96 × 5,569.27
  4. Step 4: Simplify right side
    7,212.44x = 55,402,875.19
  5. Step 5: Solve for x
    x = 55,402,875.19/7,212.44
  6. Step 6: Final answer
    x = 7,681.57

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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.