Home / 7,743.02-10,688.63-5,228.53

Finding the Fourth Proportional to 7,743.02, 10,688.63 and 5,228.53

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Solution

The fourth proportional to 7,743.02, 10,688.63 and 5,228.53 is: 7,217.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,743.02 : 10,688.63 = 5,228.53 : x
  2. Step 2: Convert to fraction form
    7,743.02/10,688.63 = 5,228.53/x
  3. Step 3: Cross multiply
    7,743.02x = 10,688.63 × 5,228.53
  4. Step 4: Simplify right side
    7,743.02x = 55,885,789.36
  5. Step 5: Solve for x
    x = 55,885,789.36/7,743.02
  6. Step 6: Final answer
    x = 7,217.57

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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.