Home / 7,835.16-10,812.48-4,298.40

Finding the Fourth Proportional to 7,835.16, 10,812.48 and 4,298.40

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Solution

The fourth proportional to 7,835.16, 10,812.48 and 4,298.40 is: 5,931.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,835.16 : 10,812.48 = 4,298.40 : x
  2. Step 2: Convert to fraction form
    7,835.16/10,812.48 = 4,298.40/x
  3. Step 3: Cross multiply
    7,835.16x = 10,812.48 × 4,298.40
  4. Step 4: Simplify right side
    7,835.16x = 46,476,364.03
  5. Step 5: Solve for x
    x = 46,476,364.03/7,835.16
  6. Step 6: Final answer
    x = 5,931.77

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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.