Home / 7,864.04-10,852.18-4,278.84

Finding the Fourth Proportional to 7,864.04, 10,852.18 and 4,278.84

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Solution

The fourth proportional to 7,864.04, 10,852.18 and 4,278.84 is: 5,904.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,864.04 : 10,852.18 = 4,278.84 : x
  2. Step 2: Convert to fraction form
    7,864.04/10,852.18 = 4,278.84/x
  3. Step 3: Cross multiply
    7,864.04x = 10,852.18 × 4,278.84
  4. Step 4: Simplify right side
    7,864.04x = 46,434,741.87
  5. Step 5: Solve for x
    x = 46,434,741.87/7,864.04
  6. Step 6: Final answer
    x = 5,904.69

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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.