Home / 7,931.04-10,945.08-4,394.40

Finding the Fourth Proportional to 7,931.04, 10,945.08 and 4,394.40

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Solution

The fourth proportional to 7,931.04, 10,945.08 and 4,394.40 is: 6,064.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,931.04 : 10,945.08 = 4,394.40 : x
  2. Step 2: Convert to fraction form
    7,931.04/10,945.08 = 4,394.40/x
  3. Step 3: Cross multiply
    7,931.04x = 10,945.08 × 4,394.40
  4. Step 4: Simplify right side
    7,931.04x = 48,097,059.55
  5. Step 5: Solve for x
    x = 48,097,059.55/7,931.04
  6. Step 6: Final answer
    x = 6,064.41

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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.