Home / 4,205.28-6,307.26-1,607.64

Finding the Fourth Proportional to 4,205.28, 6,307.26 and 1,607.64

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Solution

The fourth proportional to 4,205.28, 6,307.26 and 1,607.64 is: 2,411.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,205.28 : 6,307.26 = 1,607.64 : x
  2. Step 2: Convert to fraction form
    4,205.28/6,307.26 = 1,607.64/x
  3. Step 3: Cross multiply
    4,205.28x = 6,307.26 × 1,607.64
  4. Step 4: Simplify right side
    4,205.28x = 10,139,803.47
  5. Step 5: Solve for x
    x = 10,139,803.47/4,205.28
  6. Step 6: Final answer
    x = 2,411.21

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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.