Home / 7,854.49-10,838.64-4,316.95

Finding the Fourth Proportional to 7,854.49, 10,838.64 and 4,316.95

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Solution

The fourth proportional to 7,854.49, 10,838.64 and 4,316.95 is: 5,957.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,854.49 : 10,838.64 = 4,316.95 : x
  2. Step 2: Convert to fraction form
    7,854.49/10,838.64 = 4,316.95/x
  3. Step 3: Cross multiply
    7,854.49x = 10,838.64 × 4,316.95
  4. Step 4: Simplify right side
    7,854.49x = 46,789,866.95
  5. Step 5: Solve for x
    x = 46,789,866.95/7,854.49
  6. Step 6: Final answer
    x = 5,957.09

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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.