Home / 4,715.19-7,065.41-2,980.17

Finding the Fourth Proportional to 4,715.19, 7,065.41 and 2,980.17

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Solution

The fourth proportional to 4,715.19, 7,065.41 and 2,980.17 is: 4,465.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,715.19 : 7,065.41 = 2,980.17 : x
  2. Step 2: Convert to fraction form
    4,715.19/7,065.41 = 2,980.17/x
  3. Step 3: Cross multiply
    4,715.19x = 7,065.41 × 2,980.17
  4. Step 4: Simplify right side
    4,715.19x = 21,056,108.02
  5. Step 5: Solve for x
    x = 21,056,108.02/4,715.19
  6. Step 6: Final answer
    x = 4,465.59

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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.