Home / 7,187.31-10,774.58-2,803.77

Finding the Fourth Proportional to 7,187.31, 10,774.58 and 2,803.77

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Solution

The fourth proportional to 7,187.31, 10,774.58 and 2,803.77 is: 4,203.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,187.31 : 10,774.58 = 2,803.77 : x
  2. Step 2: Convert to fraction form
    7,187.31/10,774.58 = 2,803.77/x
  3. Step 3: Cross multiply
    7,187.31x = 10,774.58 × 2,803.77
  4. Step 4: Simplify right side
    7,187.31x = 30,209,430.15
  5. Step 5: Solve for x
    x = 30,209,430.15/7,187.31
  6. Step 6: Final answer
    x = 4,203.16

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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.