Home / 7,300.19-10,074.75-4,156.40

Finding the Fourth Proportional to 7,300.19, 10,074.75 and 4,156.40

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Solution

The fourth proportional to 7,300.19, 10,074.75 and 4,156.40 is: 5,736.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,300.19 : 10,074.75 = 4,156.40 : x
  2. Step 2: Convert to fraction form
    7,300.19/10,074.75 = 4,156.40/x
  3. Step 3: Cross multiply
    7,300.19x = 10,074.75 × 4,156.40
  4. Step 4: Simplify right side
    7,300.19x = 41,874,690.90
  5. Step 5: Solve for x
    x = 41,874,690.90/7,300.19
  6. Step 6: Final answer
    x = 5,736.11

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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.