Home / 7,117.23-9,818.91-4,728.36

Finding the Fourth Proportional to 7,117.23, 9,818.91 and 4,728.36

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Solution

The fourth proportional to 7,117.23, 9,818.91 and 4,728.36 is: 6,523.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,117.23 : 9,818.91 = 4,728.36 : x
  2. Step 2: Convert to fraction form
    7,117.23/9,818.91 = 4,728.36/x
  3. Step 3: Cross multiply
    7,117.23x = 9,818.91 × 4,728.36
  4. Step 4: Simplify right side
    7,117.23x = 46,427,341.29
  5. Step 5: Solve for x
    x = 46,427,341.29/7,117.23
  6. Step 6: Final answer
    x = 6,523.23

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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.