Home / 7,275.36-10,017.48-5,688.43

Finding the Fourth Proportional to 7,275.36, 10,017.48 and 5,688.43

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Solution

The fourth proportional to 7,275.36, 10,017.48 and 5,688.43 is: 7,832.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,275.36 : 10,017.48 = 5,688.43 : x
  2. Step 2: Convert to fraction form
    7,275.36/10,017.48 = 5,688.43/x
  3. Step 3: Cross multiply
    7,275.36x = 10,017.48 × 5,688.43
  4. Step 4: Simplify right side
    7,275.36x = 56,983,733.76
  5. Step 5: Solve for x
    x = 56,983,733.76/7,275.36
  6. Step 6: Final answer
    x = 7,832.43

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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.