Home / 4,688.87-6,471.42-2,699.06

Finding the Fourth Proportional to 4,688.87, 6,471.42 and 2,699.06

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Solution

The fourth proportional to 4,688.87, 6,471.42 and 2,699.06 is: 3,725.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,688.87 : 6,471.42 = 2,699.06 : x
  2. Step 2: Convert to fraction form
    4,688.87/6,471.42 = 2,699.06/x
  3. Step 3: Cross multiply
    4,688.87x = 6,471.42 × 2,699.06
  4. Step 4: Simplify right side
    4,688.87x = 17,466,718.51
  5. Step 5: Solve for x
    x = 17,466,718.51/4,688.87
  6. Step 6: Final answer
    x = 3,725.15

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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.