Home / 7,812.03-10,777.95-4,828.53

Finding the Fourth Proportional to 7,812.03, 10,777.95 and 4,828.53

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Solution

The fourth proportional to 7,812.03, 10,777.95 and 4,828.53 is: 6,661.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,812.03 : 10,777.95 = 4,828.53 : x
  2. Step 2: Convert to fraction form
    7,812.03/10,777.95 = 4,828.53/x
  3. Step 3: Cross multiply
    7,812.03x = 10,777.95 × 4,828.53
  4. Step 4: Simplify right side
    7,812.03x = 52,041,654.91
  5. Step 5: Solve for x
    x = 52,041,654.91/7,812.03
  6. Step 6: Final answer
    x = 6,661.73

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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.