Home / 9,117.04-12,582.02-5,138.32

Finding the Fourth Proportional to 9,117.04, 12,582.02 and 5,138.32

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Solution

The fourth proportional to 9,117.04, 12,582.02 and 5,138.32 is: 7,091.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,117.04 : 12,582.02 = 5,138.32 : x
  2. Step 2: Convert to fraction form
    9,117.04/12,582.02 = 5,138.32/x
  3. Step 3: Cross multiply
    9,117.04x = 12,582.02 × 5,138.32
  4. Step 4: Simplify right side
    9,117.04x = 64,650,445.01
  5. Step 5: Solve for x
    x = 64,650,445.01/9,117.04
  6. Step 6: Final answer
    x = 7,091.17

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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.