Home / 7,685.27-10,606.47-4,703.09

Finding the Fourth Proportional to 7,685.27, 10,606.47 and 4,703.09

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Solution

The fourth proportional to 7,685.27, 10,606.47 and 4,703.09 is: 6,490.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,685.27 : 10,606.47 = 4,703.09 : x
  2. Step 2: Convert to fraction form
    7,685.27/10,606.47 = 4,703.09/x
  3. Step 3: Cross multiply
    7,685.27x = 10,606.47 × 4,703.09
  4. Step 4: Simplify right side
    7,685.27x = 49,883,182.99
  5. Step 5: Solve for x
    x = 49,883,182.99/7,685.27
  6. Step 6: Final answer
    x = 6,490.75

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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.