Home / 4,772.15-7,158.90-1,485.51

Finding the Fourth Proportional to 4,772.15, 7,158.90 and 1,485.51

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Solution

The fourth proportional to 4,772.15, 7,158.90 and 1,485.51 is: 2,228.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,772.15 : 7,158.90 = 1,485.51 : x
  2. Step 2: Convert to fraction form
    4,772.15/7,158.90 = 1,485.51/x
  3. Step 3: Cross multiply
    4,772.15x = 7,158.90 × 1,485.51
  4. Step 4: Simplify right side
    4,772.15x = 10,634,596.26
  5. Step 5: Solve for x
    x = 10,634,596.26/4,772.15
  6. Step 6: Final answer
    x = 2,228.47

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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.