Home / 7,905.64-10,897.58-5,913.16

Finding the Fourth Proportional to 7,905.64, 10,897.58 and 5,913.16

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Solution

The fourth proportional to 7,905.64, 10,897.58 and 5,913.16 is: 8,151.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,905.64 : 10,897.58 = 5,913.16 : x
  2. Step 2: Convert to fraction form
    7,905.64/10,897.58 = 5,913.16/x
  3. Step 3: Cross multiply
    7,905.64x = 10,897.58 × 5,913.16
  4. Step 4: Simplify right side
    7,905.64x = 64,439,134.15
  5. Step 5: Solve for x
    x = 64,439,134.15/7,905.64
  6. Step 6: Final answer
    x = 8,151.03

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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.