Home / 7,662.47-10,574.51-4,477.82

Finding the Fourth Proportional to 7,662.47, 10,574.51 and 4,477.82

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Solution

The fourth proportional to 7,662.47, 10,574.51 and 4,477.82 is: 6,179.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,662.47 : 10,574.51 = 4,477.82 : x
  2. Step 2: Convert to fraction form
    7,662.47/10,574.51 = 4,477.82/x
  3. Step 3: Cross multiply
    7,662.47x = 10,574.51 × 4,477.82
  4. Step 4: Simplify right side
    7,662.47x = 47,350,677.11
  5. Step 5: Solve for x
    x = 47,350,677.11/7,662.47
  6. Step 6: Final answer
    x = 6,179.56

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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.