Home / 6,407.28-9,618.21-4,300.47

Finding the Fourth Proportional to 6,407.28, 9,618.21 and 4,300.47

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Solution

The fourth proportional to 6,407.28, 9,618.21 and 4,300.47 is: 6,455.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,407.28 : 9,618.21 = 4,300.47 : x
  2. Step 2: Convert to fraction form
    6,407.28/9,618.21 = 4,300.47/x
  3. Step 3: Cross multiply
    6,407.28x = 9,618.21 × 4,300.47
  4. Step 4: Simplify right side
    6,407.28x = 41,362,823.56
  5. Step 5: Solve for x
    x = 41,362,823.56/6,407.28
  6. Step 6: Final answer
    x = 6,455.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.