Home / 7,386.85-10,187.35-5,812.21

Finding the Fourth Proportional to 7,386.85, 10,187.35 and 5,812.21

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Solution

The fourth proportional to 7,386.85, 10,187.35 and 5,812.21 is: 8,015.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,386.85 : 10,187.35 = 5,812.21 : x
  2. Step 2: Convert to fraction form
    7,386.85/10,187.35 = 5,812.21/x
  3. Step 3: Cross multiply
    7,386.85x = 10,187.35 × 5,812.21
  4. Step 4: Simplify right side
    7,386.85x = 59,211,017.54
  5. Step 5: Solve for x
    x = 59,211,017.54/7,386.85
  6. Step 6: Final answer
    x = 8,015.73

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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.