Home / 4,857.37-7,287.47-1,570.39

Finding the Fourth Proportional to 4,857.37, 7,287.47 and 1,570.39

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Solution

The fourth proportional to 4,857.37, 7,287.47 and 1,570.39 is: 2,356.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,857.37 : 7,287.47 = 1,570.39 : x
  2. Step 2: Convert to fraction form
    4,857.37/7,287.47 = 1,570.39/x
  3. Step 3: Cross multiply
    4,857.37x = 7,287.47 × 1,570.39
  4. Step 4: Simplify right side
    4,857.37x = 11,444,125.72
  5. Step 5: Solve for x
    x = 11,444,125.72/4,857.37
  6. Step 6: Final answer
    x = 2,356.04

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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.