Home / 4,808.61-7,212.08-1,345.05

Finding the Fourth Proportional to 4,808.61, 7,212.08 and 1,345.05

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Solution

The fourth proportional to 4,808.61, 7,212.08 and 1,345.05 is: 2,017.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,808.61 : 7,212.08 = 1,345.05 : x
  2. Step 2: Convert to fraction form
    4,808.61/7,212.08 = 1,345.05/x
  3. Step 3: Cross multiply
    4,808.61x = 7,212.08 × 1,345.05
  4. Step 4: Simplify right side
    4,808.61x = 9,700,601.48
  5. Step 5: Solve for x
    x = 9,700,601.48/4,808.61
  6. Step 6: Final answer
    x = 2,017.34

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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.