Home / 7,783.15-10,740.89-4,246.35

Finding the Fourth Proportional to 7,783.15, 10,740.89 and 4,246.35

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Solution

The fourth proportional to 7,783.15, 10,740.89 and 4,246.35 is: 5,860.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,783.15 : 10,740.89 = 4,246.35 : x
  2. Step 2: Convert to fraction form
    7,783.15/10,740.89 = 4,246.35/x
  3. Step 3: Cross multiply
    7,783.15x = 10,740.89 × 4,246.35
  4. Step 4: Simplify right side
    7,783.15x = 45,609,578.25
  5. Step 5: Solve for x
    x = 45,609,578.25/7,783.15
  6. Step 6: Final answer
    x = 5,860.04

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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.