Home / 6,970.35-10,455.12-5,872.80

Finding the Fourth Proportional to 6,970.35, 10,455.12 and 5,872.80

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Solution

The fourth proportional to 6,970.35, 10,455.12 and 5,872.80 is: 8,808.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,970.35 : 10,455.12 = 5,872.80 : x
  2. Step 2: Convert to fraction form
    6,970.35/10,455.12 = 5,872.80/x
  3. Step 3: Cross multiply
    6,970.35x = 10,455.12 × 5,872.80
  4. Step 4: Simplify right side
    6,970.35x = 61,400,828.74
  5. Step 5: Solve for x
    x = 61,400,828.74/6,970.35
  6. Step 6: Final answer
    x = 8,808.86

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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.