Home / 7,663.78-10,577.16-4,681.33

Finding the Fourth Proportional to 7,663.78, 10,577.16 and 4,681.33

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Solution

The fourth proportional to 7,663.78, 10,577.16 and 4,681.33 is: 6,460.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,663.78 : 10,577.16 = 4,681.33 : x
  2. Step 2: Convert to fraction form
    7,663.78/10,577.16 = 4,681.33/x
  3. Step 3: Cross multiply
    7,663.78x = 10,577.16 × 4,681.33
  4. Step 4: Simplify right side
    7,663.78x = 49,515,176.42
  5. Step 5: Solve for x
    x = 49,515,176.42/7,663.78
  6. Step 6: Final answer
    x = 6,460.93

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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.