Home / 5,268.12-7,903.58-1,570.36

Finding the Fourth Proportional to 5,268.12, 7,903.58 and 1,570.36

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Solution

The fourth proportional to 5,268.12, 7,903.58 and 1,570.36 is: 2,355.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,268.12 : 7,903.58 = 1,570.36 : x
  2. Step 2: Convert to fraction form
    5,268.12/7,903.58 = 1,570.36/x
  3. Step 3: Cross multiply
    5,268.12x = 7,903.58 × 1,570.36
  4. Step 4: Simplify right side
    5,268.12x = 12,411,465.89
  5. Step 5: Solve for x
    x = 12,411,465.89/5,268.12
  6. Step 6: Final answer
    x = 2,355.96

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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.