Home / 4,688.88-6,471.28-2,699.07

Finding the Fourth Proportional to 4,688.88, 6,471.28 and 2,699.07

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Solution

The fourth proportional to 4,688.88, 6,471.28 and 2,699.07 is: 3,725.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,688.88 : 6,471.28 = 2,699.07 : x
  2. Step 2: Convert to fraction form
    4,688.88/6,471.28 = 2,699.07/x
  3. Step 3: Cross multiply
    4,688.88x = 6,471.28 × 2,699.07
  4. Step 4: Simplify right side
    4,688.88x = 17,466,437.71
  5. Step 5: Solve for x
    x = 17,466,437.71/4,688.88
  6. Step 6: Final answer
    x = 3,725.08

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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.