Home / 7,990.47-11,026.64-4,587.39

Finding the Fourth Proportional to 7,990.47, 11,026.64 and 4,587.39

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Solution

The fourth proportional to 7,990.47, 11,026.64 and 4,587.39 is: 6,330.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,990.47 : 11,026.64 = 4,587.39 : x
  2. Step 2: Convert to fraction form
    7,990.47/11,026.64 = 4,587.39/x
  3. Step 3: Cross multiply
    7,990.47x = 11,026.64 × 4,587.39
  4. Step 4: Simplify right side
    7,990.47x = 50,583,450.99
  5. Step 5: Solve for x
    x = 50,583,450.99/7,990.47
  6. Step 6: Final answer
    x = 6,330.47

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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.