Home / 7,187.08-9,894.81-5,686.96

Finding the Fourth Proportional to 7,187.08, 9,894.81 and 5,686.96

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Solution

The fourth proportional to 7,187.08, 9,894.81 and 5,686.96 is: 7,829.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,187.08 : 9,894.81 = 5,686.96 : x
  2. Step 2: Convert to fraction form
    7,187.08/9,894.81 = 5,686.96/x
  3. Step 3: Cross multiply
    7,187.08x = 9,894.81 × 5,686.96
  4. Step 4: Simplify right side
    7,187.08x = 56,271,388.68
  5. Step 5: Solve for x
    x = 56,271,388.68/7,187.08
  6. Step 6: Final answer
    x = 7,829.52

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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.