Home / 7,626.51-10,520.85-5,109.18

Finding the Fourth Proportional to 7,626.51, 10,520.85 and 5,109.18

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Solution

The fourth proportional to 7,626.51, 10,520.85 and 5,109.18 is: 7,048.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,626.51 : 10,520.85 = 5,109.18 : x
  2. Step 2: Convert to fraction form
    7,626.51/10,520.85 = 5,109.18/x
  3. Step 3: Cross multiply
    7,626.51x = 10,520.85 × 5,109.18
  4. Step 4: Simplify right side
    7,626.51x = 53,752,916.40
  5. Step 5: Solve for x
    x = 53,752,916.40/7,626.51
  6. Step 6: Final answer
    x = 7,048.17

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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.