Home / 7,904.24-10,903.56-4,920.56

Finding the Fourth Proportional to 7,904.24, 10,903.56 and 4,920.56

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Solution

The fourth proportional to 7,904.24, 10,903.56 and 4,920.56 is: 6,787.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,904.24 : 10,903.56 = 4,920.56 : x
  2. Step 2: Convert to fraction form
    7,904.24/10,903.56 = 4,920.56/x
  3. Step 3: Cross multiply
    7,904.24x = 10,903.56 × 4,920.56
  4. Step 4: Simplify right side
    7,904.24x = 53,651,621.19
  5. Step 5: Solve for x
    x = 53,651,621.19/7,904.24
  6. Step 6: Final answer
    x = 6,787.70

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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.