Home / 6,874.09-10,300.62-4,903.21

Finding the Fourth Proportional to 6,874.09, 10,300.62 and 4,903.21

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Solution

The fourth proportional to 6,874.09, 10,300.62 and 4,903.21 is: 7,347.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,874.09 : 10,300.62 = 4,903.21 : x
  2. Step 2: Convert to fraction form
    6,874.09/10,300.62 = 4,903.21/x
  3. Step 3: Cross multiply
    6,874.09x = 10,300.62 × 4,903.21
  4. Step 4: Simplify right side
    6,874.09x = 50,506,077.70
  5. Step 5: Solve for x
    x = 50,506,077.70/6,874.09
  6. Step 6: Final answer
    x = 7,347.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.