Home / 6,913.45-10,368.38-1,981.93

Finding the Fourth Proportional to 6,913.45, 10,368.38 and 1,981.93

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Solution

The fourth proportional to 6,913.45, 10,368.38 and 1,981.93 is: 2,972.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,913.45 : 10,368.38 = 1,981.93 : x
  2. Step 2: Convert to fraction form
    6,913.45/10,368.38 = 1,981.93/x
  3. Step 3: Cross multiply
    6,913.45x = 10,368.38 × 1,981.93
  4. Step 4: Simplify right side
    6,913.45x = 20,549,403.37
  5. Step 5: Solve for x
    x = 20,549,403.37/6,913.45
  6. Step 6: Final answer
    x = 2,972.38

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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.