Home / 7,752.10-10,697.93-4,215.30

Finding the Fourth Proportional to 7,752.10, 10,697.93 and 4,215.30

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Solution

The fourth proportional to 7,752.10, 10,697.93 and 4,215.30 is: 5,817.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,752.10 : 10,697.93 = 4,215.30 : x
  2. Step 2: Convert to fraction form
    7,752.10/10,697.93 = 4,215.30/x
  3. Step 3: Cross multiply
    7,752.10x = 10,697.93 × 4,215.30
  4. Step 4: Simplify right side
    7,752.10x = 45,094,984.33
  5. Step 5: Solve for x
    x = 45,094,984.33/7,752.10
  6. Step 6: Final answer
    x = 5,817.13

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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.