Home / 5,039.51-6,953.76-2,801.40

Finding the Fourth Proportional to 5,039.51, 6,953.76 and 2,801.40

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Solution

The fourth proportional to 5,039.51, 6,953.76 and 2,801.40 is: 3,865.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,039.51 : 6,953.76 = 2,801.40 : x
  2. Step 2: Convert to fraction form
    5,039.51/6,953.76 = 2,801.40/x
  3. Step 3: Cross multiply
    5,039.51x = 6,953.76 × 2,801.40
  4. Step 4: Simplify right side
    5,039.51x = 19,480,263.26
  5. Step 5: Solve for x
    x = 19,480,263.26/5,039.51
  6. Step 6: Final answer
    x = 3,865.51

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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.