Home / 7,816.15-10,783.65-4,458.43

Finding the Fourth Proportional to 7,816.15, 10,783.65 and 4,458.43

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Solution

The fourth proportional to 7,816.15, 10,783.65 and 4,458.43 is: 6,151.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,816.15 : 10,783.65 = 4,458.43 : x
  2. Step 2: Convert to fraction form
    7,816.15/10,783.65 = 4,458.43/x
  3. Step 3: Cross multiply
    7,816.15x = 10,783.65 × 4,458.43
  4. Step 4: Simplify right side
    7,816.15x = 48,078,148.67
  5. Step 5: Solve for x
    x = 48,078,148.67/7,816.15
  6. Step 6: Final answer
    x = 6,151.13

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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.