Home / 7,839.90-10,818.34-4,652.65

Finding the Fourth Proportional to 7,839.90, 10,818.34 and 4,652.65

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Solution

The fourth proportional to 7,839.90, 10,818.34 and 4,652.65 is: 6,420.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,839.90 : 10,818.34 = 4,652.65 : x
  2. Step 2: Convert to fraction form
    7,839.90/10,818.34 = 4,652.65/x
  3. Step 3: Cross multiply
    7,839.90x = 10,818.34 × 4,652.65
  4. Step 4: Simplify right side
    7,839.90x = 50,333,895.51
  5. Step 5: Solve for x
    x = 50,333,895.51/7,839.90
  6. Step 6: Final answer
    x = 6,420.23

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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.