Home / 5,266.07-7,263.96-3,140.21

Finding the Fourth Proportional to 5,266.07, 7,263.96 and 3,140.21

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Solution

The fourth proportional to 5,266.07, 7,263.96 and 3,140.21 is: 4,331.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,266.07 : 7,263.96 = 3,140.21 : x
  2. Step 2: Convert to fraction form
    5,266.07/7,263.96 = 3,140.21/x
  3. Step 3: Cross multiply
    5,266.07x = 7,263.96 × 3,140.21
  4. Step 4: Simplify right side
    5,266.07x = 22,810,323.51
  5. Step 5: Solve for x
    x = 22,810,323.51/5,266.07
  6. Step 6: Final answer
    x = 4,331.57

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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.