Home / 4,970.46-6,860.26-2,875.26

Finding the Fourth Proportional to 4,970.46, 6,860.26 and 2,875.26

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Solution

The fourth proportional to 4,970.46, 6,860.26 and 2,875.26 is: 3,968.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,970.46 : 6,860.26 = 2,875.26 : x
  2. Step 2: Convert to fraction form
    4,970.46/6,860.26 = 2,875.26/x
  3. Step 3: Cross multiply
    4,970.46x = 6,860.26 × 2,875.26
  4. Step 4: Simplify right side
    4,970.46x = 19,725,031.17
  5. Step 5: Solve for x
    x = 19,725,031.17/4,970.46
  6. Step 6: Final answer
    x = 3,968.45

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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.