Home / 7,557.35-10,424.43-5,195.39

Finding the Fourth Proportional to 7,557.35, 10,424.43 and 5,195.39

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Solution

The fourth proportional to 7,557.35, 10,424.43 and 5,195.39 is: 7,166.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,557.35 : 10,424.43 = 5,195.39 : x
  2. Step 2: Convert to fraction form
    7,557.35/10,424.43 = 5,195.39/x
  3. Step 3: Cross multiply
    7,557.35x = 10,424.43 × 5,195.39
  4. Step 4: Simplify right side
    7,557.35x = 54,158,927.26
  5. Step 5: Solve for x
    x = 54,158,927.26/7,557.35
  6. Step 6: Final answer
    x = 7,166.40

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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.