Home / 7,316.10-10,975.86-2,385.72

Finding the Fourth Proportional to 7,316.10, 10,975.86 and 2,385.72

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Solution

The fourth proportional to 7,316.10, 10,975.86 and 2,385.72 is: 3,579.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,316.10 : 10,975.86 = 2,385.72 : x
  2. Step 2: Convert to fraction form
    7,316.10/10,975.86 = 2,385.72/x
  3. Step 3: Cross multiply
    7,316.10x = 10,975.86 × 2,385.72
  4. Step 4: Simplify right side
    7,316.10x = 26,185,328.72
  5. Step 5: Solve for x
    x = 26,185,328.72/7,316.10
  6. Step 6: Final answer
    x = 3,579.14

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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.