Home / 7,407.13-10,221.95-5,017.84

Finding the Fourth Proportional to 7,407.13, 10,221.95 and 5,017.84

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Solution

The fourth proportional to 7,407.13, 10,221.95 and 5,017.84 is: 6,924.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,407.13 : 10,221.95 = 5,017.84 : x
  2. Step 2: Convert to fraction form
    7,407.13/10,221.95 = 5,017.84/x
  3. Step 3: Cross multiply
    7,407.13x = 10,221.95 × 5,017.84
  4. Step 4: Simplify right side
    7,407.13x = 51,292,058.48
  5. Step 5: Solve for x
    x = 51,292,058.48/7,407.13
  6. Step 6: Final answer
    x = 6,924.69

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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.