Home / 5,427.95-7,490.36-3,070.58

Finding the Fourth Proportional to 5,427.95, 7,490.36 and 3,070.58

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Solution

The fourth proportional to 5,427.95, 7,490.36 and 3,070.58 is: 4,237.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,427.95 : 7,490.36 = 3,070.58 : x
  2. Step 2: Convert to fraction form
    5,427.95/7,490.36 = 3,070.58/x
  3. Step 3: Cross multiply
    5,427.95x = 7,490.36 × 3,070.58
  4. Step 4: Simplify right side
    5,427.95x = 22,999,734.26
  5. Step 5: Solve for x
    x = 22,999,734.26/5,427.95
  6. Step 6: Final answer
    x = 4,237.28

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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.