Home / 5,311.02-7,328.91-2,953.11

Finding the Fourth Proportional to 5,311.02, 7,328.91 and 2,953.11

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Solution

The fourth proportional to 5,311.02, 7,328.91 and 2,953.11 is: 4,075.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,311.02 : 7,328.91 = 2,953.11 : x
  2. Step 2: Convert to fraction form
    5,311.02/7,328.91 = 2,953.11/x
  3. Step 3: Cross multiply
    5,311.02x = 7,328.91 × 2,953.11
  4. Step 4: Simplify right side
    5,311.02x = 21,643,095.73
  5. Step 5: Solve for x
    x = 21,643,095.73/5,311.02
  6. Step 6: Final answer
    x = 4,075.13

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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.