Home / 7,186.74-10,777.95-2,803.02

Finding the Fourth Proportional to 7,186.74, 10,777.95 and 2,803.02

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Solution

The fourth proportional to 7,186.74, 10,777.95 and 2,803.02 is: 4,203.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,186.74 : 10,777.95 = 2,803.02 : x
  2. Step 2: Convert to fraction form
    7,186.74/10,777.95 = 2,803.02/x
  3. Step 3: Cross multiply
    7,186.74x = 10,777.95 × 2,803.02
  4. Step 4: Simplify right side
    7,186.74x = 30,210,809.41
  5. Step 5: Solve for x
    x = 30,210,809.41/7,186.74
  6. Step 6: Final answer
    x = 4,203.69

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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.