Home / 7,931.56-10,945.40-4,574.16

Finding the Fourth Proportional to 7,931.56, 10,945.40 and 4,574.16

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Solution

The fourth proportional to 7,931.56, 10,945.40 and 4,574.16 is: 6,312.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,931.56 : 10,945.40 = 4,574.16 : x
  2. Step 2: Convert to fraction form
    7,931.56/10,945.40 = 4,574.16/x
  3. Step 3: Cross multiply
    7,931.56x = 10,945.40 × 4,574.16
  4. Step 4: Simplify right side
    7,931.56x = 50,066,010.86
  5. Step 5: Solve for x
    x = 50,066,010.86/7,931.56
  6. Step 6: Final answer
    x = 6,312.25

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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.