Home / 5,009.47-6,913.58-2,885.07

Finding the Fourth Proportional to 5,009.47, 6,913.58 and 2,885.07

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Solution

The fourth proportional to 5,009.47, 6,913.58 and 2,885.07 is: 3,981.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,009.47 : 6,913.58 = 2,885.07 : x
  2. Step 2: Convert to fraction form
    5,009.47/6,913.58 = 2,885.07/x
  3. Step 3: Cross multiply
    5,009.47x = 6,913.58 × 2,885.07
  4. Step 4: Simplify right side
    5,009.47x = 19,946,162.25
  5. Step 5: Solve for x
    x = 19,946,162.25/5,009.47
  6. Step 6: Final answer
    x = 3,981.69

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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.