Home / 7,001.86-9,656.08-5,110.45

Finding the Fourth Proportional to 7,001.86, 9,656.08 and 5,110.45

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Solution

The fourth proportional to 7,001.86, 9,656.08 and 5,110.45 is: 7,047.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,001.86 : 9,656.08 = 5,110.45 : x
  2. Step 2: Convert to fraction form
    7,001.86/9,656.08 = 5,110.45/x
  3. Step 3: Cross multiply
    7,001.86x = 9,656.08 × 5,110.45
  4. Step 4: Simplify right side
    7,001.86x = 49,346,904.28
  5. Step 5: Solve for x
    x = 49,346,904.28/7,001.86
  6. Step 6: Final answer
    x = 7,047.68

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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.