Home / 7,931.60-10,946.28-4,395.92

Finding the Fourth Proportional to 7,931.60, 10,946.28 and 4,395.92

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Solution

The fourth proportional to 7,931.60, 10,946.28 and 4,395.92 is: 6,066.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,931.60 : 10,946.28 = 4,395.92 : x
  2. Step 2: Convert to fraction form
    7,931.60/10,946.28 = 4,395.92/x
  3. Step 3: Cross multiply
    7,931.60x = 10,946.28 × 4,395.92
  4. Step 4: Simplify right side
    7,931.60x = 48,118,971.18
  5. Step 5: Solve for x
    x = 48,118,971.18/7,931.60
  6. Step 6: Final answer
    x = 6,066.74

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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.