Home / 5,424.47-7,483.70-4,011.56

Finding the Fourth Proportional to 5,424.47, 7,483.70 and 4,011.56

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Solution

The fourth proportional to 5,424.47, 7,483.70 and 4,011.56 is: 5,534.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,424.47 : 7,483.70 = 4,011.56 : x
  2. Step 2: Convert to fraction form
    5,424.47/7,483.70 = 4,011.56/x
  3. Step 3: Cross multiply
    5,424.47x = 7,483.70 × 4,011.56
  4. Step 4: Simplify right side
    5,424.47x = 30,021,291.51
  5. Step 5: Solve for x
    x = 30,021,291.51/5,424.47
  6. Step 6: Final answer
    x = 5,534.42

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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.