Home / 9,292.02-12,821.63-5,312.36

Finding the Fourth Proportional to 9,292.02, 12,821.63 and 5,312.36

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Solution

The fourth proportional to 9,292.02, 12,821.63 and 5,312.36 is: 7,330.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,292.02 : 12,821.63 = 5,312.36 : x
  2. Step 2: Convert to fraction form
    9,292.02/12,821.63 = 5,312.36/x
  3. Step 3: Cross multiply
    9,292.02x = 12,821.63 × 5,312.36
  4. Step 4: Simplify right side
    9,292.02x = 68,113,106.19
  5. Step 5: Solve for x
    x = 68,113,106.19/9,292.02
  6. Step 6: Final answer
    x = 7,330.28

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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.