Home / 5,154.98-7,112.95-3,030.93

Finding the Fourth Proportional to 5,154.98, 7,112.95 and 3,030.93

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Solution

The fourth proportional to 5,154.98, 7,112.95 and 3,030.93 is: 4,182.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,154.98 : 7,112.95 = 3,030.93 : x
  2. Step 2: Convert to fraction form
    5,154.98/7,112.95 = 3,030.93/x
  3. Step 3: Cross multiply
    5,154.98x = 7,112.95 × 3,030.93
  4. Step 4: Simplify right side
    5,154.98x = 21,558,875.18
  5. Step 5: Solve for x
    x = 21,558,875.18/5,154.98
  6. Step 6: Final answer
    x = 4,182.15

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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.