Home / 9,400.04-12,972.08-5,208.29

Finding the Fourth Proportional to 9,400.04, 12,972.08 and 5,208.29

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Solution

The fourth proportional to 9,400.04, 12,972.08 and 5,208.29 is: 7,187.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,400.04 : 12,972.08 = 5,208.29 : x
  2. Step 2: Convert to fraction form
    9,400.04/12,972.08 = 5,208.29/x
  3. Step 3: Cross multiply
    9,400.04x = 12,972.08 × 5,208.29
  4. Step 4: Simplify right side
    9,400.04x = 67,562,328.50
  5. Step 5: Solve for x
    x = 67,562,328.50/9,400.04
  6. Step 6: Final answer
    x = 7,187.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.