Home / 7,864.12-10,852.38-4,506.76

Finding the Fourth Proportional to 7,864.12, 10,852.38 and 4,506.76

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Solution

The fourth proportional to 7,864.12, 10,852.38 and 4,506.76 is: 6,219.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,864.12 : 10,852.38 = 4,506.76 : x
  2. Step 2: Convert to fraction form
    7,864.12/10,852.38 = 4,506.76/x
  3. Step 3: Cross multiply
    7,864.12x = 10,852.38 × 4,506.76
  4. Step 4: Simplify right side
    7,864.12x = 48,909,072.09
  5. Step 5: Solve for x
    x = 48,909,072.09/7,864.12
  6. Step 6: Final answer
    x = 6,219.27

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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.