Home / 5,328.18-7,352.93-2,970.47

Finding the Fourth Proportional to 5,328.18, 7,352.93 and 2,970.47

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Solution

The fourth proportional to 5,328.18, 7,352.93 and 2,970.47 is: 4,099.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,328.18 : 7,352.93 = 2,970.47 : x
  2. Step 2: Convert to fraction form
    5,328.18/7,352.93 = 2,970.47/x
  3. Step 3: Cross multiply
    5,328.18x = 7,352.93 × 2,970.47
  4. Step 4: Simplify right side
    5,328.18x = 21,841,657.98
  5. Step 5: Solve for x
    x = 21,841,657.98/5,328.18
  6. Step 6: Final answer
    x = 4,099.27

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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.