Home / 6,710.12-10,065.02-1,780.10

Finding the Fourth Proportional to 6,710.12, 10,065.02 and 1,780.10

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Solution

The fourth proportional to 6,710.12, 10,065.02 and 1,780.10 is: 2,670.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,710.12 : 10,065.02 = 1,780.10 : x
  2. Step 2: Convert to fraction form
    6,710.12/10,065.02 = 1,780.10/x
  3. Step 3: Cross multiply
    6,710.12x = 10,065.02 × 1,780.10
  4. Step 4: Simplify right side
    6,710.12x = 17,916,742.10
  5. Step 5: Solve for x
    x = 17,916,742.10/6,710.12
  6. Step 6: Final answer
    x = 2,670.11

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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.