Home / 5,656.37-7,806.68-5,407.19

Finding the Fourth Proportional to 5,656.37, 7,806.68 and 5,407.19

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Solution

The fourth proportional to 5,656.37, 7,806.68 and 5,407.19 is: 7,462.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,656.37 : 7,806.68 = 5,407.19 : x
  2. Step 2: Convert to fraction form
    5,656.37/7,806.68 = 5,407.19/x
  3. Step 3: Cross multiply
    5,656.37x = 7,806.68 × 5,407.19
  4. Step 4: Simplify right side
    5,656.37x = 42,212,185.51
  5. Step 5: Solve for x
    x = 42,212,185.51/5,656.37
  6. Step 6: Final answer
    x = 7,462.78

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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.