Home / 5,050.07-6,969.35-2,812.13

Finding the Fourth Proportional to 5,050.07, 6,969.35 and 2,812.13

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Solution

The fourth proportional to 5,050.07, 6,969.35 and 2,812.13 is: 3,880.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,050.07 : 6,969.35 = 2,812.13 : x
  2. Step 2: Convert to fraction form
    5,050.07/6,969.35 = 2,812.13/x
  3. Step 3: Cross multiply
    5,050.07x = 6,969.35 × 2,812.13
  4. Step 4: Simplify right side
    5,050.07x = 19,598,742.67
  5. Step 5: Solve for x
    x = 19,598,742.67/5,050.07
  6. Step 6: Final answer
    x = 3,880.89

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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.